Search a number
-
+
825028444 = 22434796677
BaseRepresentation
bin110001001011001…
…110111101011100
32010111102210021001
4301023032331130
53142201402234
6213511120044
726305424512
oct6113167534
92114383231
10825028444
11393786099
121b0373024
13101c07016
147b8024b2
154c66cd14
hex312cef5c

825028444 has 12 divisors (see below), whose sum is σ = 1477376824. Its totient is φ = 402920784.

The previous prime is 825028441. The next prime is 825028471. The reversal of 825028444 is 444820528.

It is a super-2 number, since 2×8250284442 = 1361343866818122272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825028441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2398167 + ... + 2398510.

Almost surely, 2825028444 is an apocalyptic number.

It is an amenable number.

825028444 is a deficient number, since it is larger than the sum of its proper divisors (652348380).

825028444 is a wasteful number, since it uses less digits than its factorization.

825028444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796724 (or 4796722 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 37.

The square root of 825028444 is about 28723.3083749070. The cubic root of 825028444 is about 937.8995062695.

The spelling of 825028444 in words is "eight hundred twenty-five million, twenty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 43 86 172 4796677 9593354 19186708 206257111 412514222 825028444